Home / 13,117.41-18,102.66-7,376.67

Finding the Fourth Proportional to 13,117.41, 18,102.66 and 7,376.67

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Solution

The fourth proportional to 13,117.41, 18,102.66 and 7,376.67 is: 10,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.41 : 18,102.66 = 7,376.67 : x
  2. Step 2: Convert to fraction form
    13,117.41/18,102.66 = 7,376.67/x
  3. Step 3: Cross multiply
    13,117.41x = 18,102.66 × 7,376.67
  4. Step 4: Simplify right side
    13,117.41x = 133,537,303.69
  5. Step 5: Solve for x
    x = 133,537,303.69/13,117.41
  6. Step 6: Final answer
    x = 10,180.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.